Rolling straight edge

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Description

FIG. 1 is a perspective view of a rolling straight edge showing our new design;

FIG. 2 is a typical side elevational view thereof;

FIG. 3 is a left end elevational view thereof;

FIG. 4 is a right end elevational view thereof.

Referenced Cited
U.S. Patent Documents
2543009 February 1951 Frost
2800720 July 1957 Kristiansen
3022073 February 1962 Miller
3462846 August 1969 Goerz
Patent History
Patent number: D243013
Type: Grant
Filed: Feb 15, 1974
Date of Patent: Jan 11, 1977
Inventors: Douglas F. Jones (Las Vegas, NV), Eugene F. Costa (Oakland, CA)
Primary Examiner: Nelson C. Holtje
Attorney: Alfons Puishes
Application Number: 5/442,923
Classifications
Current U.S. Class: Guide (6) (D19/37)
International Classification: D1906;